CN104880281B - Outer airtight test device - Google Patents
Outer airtight test device Download PDFInfo
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- CN104880281B CN104880281B CN201410073316.3A CN201410073316A CN104880281B CN 104880281 B CN104880281 B CN 104880281B CN 201410073316 A CN201410073316 A CN 201410073316A CN 104880281 B CN104880281 B CN 104880281B
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- test device
- briquetting
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- outer airtight
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a kind of outer airtight test devices, and for carrying out outer gas density test to evaporator support, evaporator support has at least one bracket head, and outer airtight test device includes: working base, and working base is equipped with the platform part for placing evaporator support；And briquetting, briquetting are located above platform part, the lower surface of briquetting is equipped with slot corresponding with bracket head, and bracket head is plugged in slot, and briquetting is equipped with the air slot be connected with slot.Outer airtight test device according to an embodiment of the present invention, pass through the air slot that slot is set on briquetting and is connected with slot, after briquetting compresses on bracket head, when evaporator support carries out outer gas density test, by judge whether to have in air slot gas export can determine whether corresponding bracket head whether gas leakage, to achieve the effect that the outer air-tightness of test evaporator bracket, the outer air tightness test device structure of the structure is simple, it is easy to use, and air tightness test effect is accurate.
Description
Technical field
The present invention relates to medical equipment preparation technical fields, more particularly, to a kind of outer airtight test device.
Background technique
Evaporator is an important component of Anesthesia machine, it usually needs is fixed on Anesthesia machine by bracket.Wherein,
Bracket acts on of both having, and is on the one hand to be connected to evaporator in Anesthesia machine rack, is on the other hand to ensure that in evaporator
When on and off, the correct flow direction of gas in anesthesia gas circuit, neither blocking are again air tight.Since institute's powder charge object is in evaporator
Anesthetic gases, anesthetic gases leakage directly influence the concentration of supply anesthesia of patient gas, meanwhile, the leakage of anesthetic gases can be led
Operation indoor environmental pollution is caused, being accordingly used in checking bracket, whether the air tightness test of gas leakage is particularly important.
Currently, there are two ways to test airtight for evaporator support, one is pressure maintaining method, another kind is measurement of discharge
Method.Wherein, pressure maintaining method is to ventilate by the operating pressure of evaporator to bracket, forms closed loop, parallel precise in gas circuit
Pressure gauge illustrates that pressure does not decline if at the appointed time, pressure gauge indicated value is constant, and bracket is air tight, if pressure gauge
Indicated value becomes smaller, then illustrates that pressure declines, bracket gas leakage.The shortcomings that the method is to need precision pressure gauge, and testing cost is high,
It is secondary to be the failure to that any position gas leakage indicated.Measurement of discharge method is to ventilate by the operating pressure of evaporator to bracket, is formed closed
Circuit, inline flow meter or leakage instrument in gas circuit, if at the appointed time, when the show value of flowmeter or leakage instrument is zero,
Illustrate that this bracket is air tight, if there is numerical value, illustrate there is leakage, leakage rate is indicated value, its advantage is that it can be seen that overall
Leakage rate, the disadvantage is that delicate flow meter or leakage instrument are needed, higher cost, and can not know that there is leakage at which position.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose, this hair
A bright purpose is the outer airtight test device for proposing that a kind of precision is high, structure is simple and at low cost.
Outer airtight test device according to an embodiment of the present invention, it is described for carrying out outer gas density test to evaporator support
Evaporator support has at least one bracket head, and the outer airtight test device includes: working base, and the working base, which is equipped with, to be used
In the platform part for placing the evaporator support；And briquetting, the briquetting are located above the platform part, the following table of the briquetting
Face is equipped with slot corresponding with the bracket head, and the bracket head is plugged in the slot, and the briquetting is equipped with and institute
State the air slot of slot conducting.
Outer airtight test device according to an embodiment of the present invention, what is be connected by the setting slot on briquetting and with slot leads
Air drain, after briquetting compresses on bracket head, when evaporator support carries out outer gas density test, by judge in air slot whether
Have gas export can determine whether corresponding bracket head whether gas leakage, to reach the effect of the outer air-tightness of test evaporator bracket
The outer air tightness test device structure of fruit, the structure is simple, easy to use, and air tightness test effect is accurate.
In addition, outer airtight test device according to the above embodiment of the present invention, can also have following additional technology special
Sign:
According to one embodiment of present invention, the working base further includes the mounting plate perpendicular to platform part setting,
The side of the briquetting abuts the mounting plate.
According to one embodiment of present invention, the working base further includes top plate, and the top plate is perpendicular to the mounting plate
It is arranged and is located above the briquetting, the outer airtight test device further includes fastener, and the fastener passes through the top plate
And it is pressed down against the briquetting.
According to one embodiment of present invention, the working base is integrally formed as the frame that section is C-shaped.
According to one embodiment of present invention, the fastener is fastening bolt.
According to one embodiment of present invention, the outer airtight test device further include: bottom plate, the bottom plate are located at described
In platform part, the bottom plate is wearing plate.
According to one embodiment of present invention, the outer airtight test device further include: limit plate, the limit plate are located at
One end of the working base is to limit the installation site of the evaporator support.
According to one embodiment of present invention, the outer airtight test device further include: connector, the connector are located at described
In air slot, the connector is equipped with gas-guide tube.
According to one embodiment of present invention, the air slot is connected with the front surface of the briquetting.
According to one embodiment of present invention, the briquetting is equipped with multiple slots arranged spaced apart in left-right direction,
Each slot is equipped with air slot corresponding thereto.
Additional aspect and advantage of the invention will provide in following description section, will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the front view of outer airtight test device according to an embodiment of the present invention.
Fig. 2 is the side view of outer airtight test device according to an embodiment of the present invention.
Fig. 3 is the test mode figure of outer airtight test device according to an embodiment of the present invention.
Fig. 4 is sectional view of the outer airtight test device according to an embodiment of the present invention under test mode.
Fig. 5 is the gas flow figure of outer airtight test device according to an embodiment of the present invention during the test.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Outer airtight test device 10 according to an embodiment of the present invention is specifically described with reference to the accompanying drawing.
As shown in Figures 1 to 5, outer airtight test device 10 according to an embodiment of the present invention be used for evaporator support 20 into
Row outer gas density test, evaporator support 20 have at least one bracket head 21, and outer airtight test device 10 includes 11 He of working base
Briquetting 12.
Specifically, working base 11 is equipped with the platform part 111 for placing evaporator support 20.Briquetting 12 is located at platform
The lower surface of the top in portion 111, briquetting 12 is equipped with slot 121 corresponding with bracket head 21, and bracket head 21 is plugged on slot 121
Interior, briquetting 12 is equipped with the air slot 122 be connected with slot 121.
Outer airtight test device 10 according to an embodiment of the present invention as a result, by briquetting 12 be arranged slot 121 and with
The air slot 122 that slot 121 is connected, after briquetting 12 compresses on bracket head 21, evaporator support 20 carries out outer airtight survey
When examination, by judge whether to have in air slot 122 gas export can determine whether corresponding bracket head 21 whether gas leakage, to reach
10 structure of outer airtight test device of the effect of the outer air-tightness of test evaporator bracket 20, the structure is simple, easy to use, and
And air tightness test effect is accurate, reduces testing cost.
It should be noted that outer gas density test is that air-tightness of the test evaporator when not exporting anesthesia steam condition is surveyed
Examination, the working principle of outer gas density test is: the outer airtight test device 10 of evaporator support 20 is for measuring evaporator support
In 20 A sealing surface, B sealing surface, C sealing surface, D sealing surface whether gas leakage (as shown in Figure 4), evaporator support 20 have air inlet
22 and gas outlet 23, bracket head 21 be located in the gas circuit 24 formed between air inlet 22 and gas outlet 23.
When evaporator support 20 carries out outer gas density test, bracket head 21 is inserted into the slot 121 of outer airtight test device 10
And fitted closely with briquetting 12, air inlet 22 and the gas outlet 23 of evaporator support 20 are opened, gas circuit 24 is connected, if bracket head 21
A sealing surface, B sealing surface, C sealing surface, D sealing surface do not reveal, i.e. the outer air-tightness of evaporator support 20 is good, then gas circuit
Gas in 24 will not enter in slot 121 from bracket head 21, also would not export gas out of air slot 122；If bracket
First 21 A sealing surface, B sealing surface, C sealing surface, D sealing surface are revealed, i.e. the outer poor air-tightness of evaporator support 20, then gas
Gas in road 24 can enter in slot 121 from bracket head 21, also will export gas out of air slot 122.
Therefore, outer airtight test device 10 according to an embodiment of the present invention is by judging whether there is gas in air slot 122
Export can determine whether that the outer air-tightness for carrying out the evaporator support 20 of outer gas density test with the presence or absence of leakage problem, has compared biography
System uses flowmeter, the leakage triers such as instrument or pressure gauge, and 10 structure of outer airtight test device of the structure is simple, tests
Journey facilitates feasible, and quickly and effectively, testing cost is low and test effect precision is high for test.
The installation site of briquetting 12 is not particularly limited, as long as meeting the bracket head 21 that can compress evaporator support 20
It is required that optionally, according to one embodiment of present invention, working base 11 further includes the peace being arranged perpendicular to platform part 111
The side of loading board 112, briquetting 12 abuts mounting plate 112.Thus, it is possible to convenient for evaporator support 20 in outer airtight test device 10
Interior assembly also facilitates the operation of outer gas density test.
Further, according to one embodiment of present invention, working base 11 further includes top plate 113, and top plate 113 is perpendicular to peace
Loading board 112 is arranged and is located at 12 top of briquetting, and outer airtight test device 10 further includes fastener 13, and fastener 13 passes through top plate
113 and it is pressed down against briquetting 12.As a result, by setting fastener 13, and fastener 13 is located on top plate 113, not only just
In applying pressure so that briquetting can be fitted closely with bracket head 21 to briquetting 12, and the fastener 13 of the structure is convenient for dress
Match, operating process simple possible.
According to one embodiment of present invention, working base 11 is integrally formed as the frame that section is C-shaped.That is, flat
The frame structure with opening that platform portion 111, mounting plate 112 and top plate 113 are formed as one, briquetting 12 are located at opening for the frame
In mouthful, evaporator support 20 is then located between briquetting 12 and platform part 111.The working base 11 of the structure not only ensure that as a result,
Its overall structure stability, and convenient formation, preparation cost are cheap.
Structure about fastener 13 is then not particularly limited, as long as can be conveniently mounted on top plate 113 and just
In applying downward active force to briquetting 12, optionally, according to one embodiment of present invention, fastener 13 is fastening spiral shell
Bolt.The fastener 13 of the structure is not only easy to assembly on top plate 113 as a result, but also it is adjusted upper and lower by rotation
Position on direction, so as to easily apply active force to briquetting 12.
In order to avoid evaporator support 20 is being put into working base 11 and when be taken out by the platform of working base 11
The contact surface in portion 111 scratches, and according to one embodiment of present invention, outer airtight test device 10 further includes bottom plate 14, bottom plate 14
It is located in platform part 111, bottom plate 14 is wearing plate.Specifically, bottom plate 14 is plate body made of wear-resistant material.As a result, by
Bottom plate 14 is set in platform part 111, and evaporator support 20 is directly contacted when being placed and taken out with the upper surface of bottom plate 14, bottom plate
14 have very strong wearability, can use for a long time, and bottom plate 14 is also convenient to be replaced after wear, extends
The service life of interior airtight test device 10.
According to one embodiment of present invention, outer airtight test device 10 further includes limit plate 15, and limit plate 15 is located at work
One end of seat 11 is filled to limit the installation site of evaporator support 20.Specifically, the top and bottom of limit plate 15 can lead to respectively
It crosses screw to be connected with the end of top plate 113 and platform part 111, evaporator support 20 is in assembly, by judging evaporator support
Whether 20 one end, which abuts on limit plate 15, can determine whether evaporator support 20 is installed in place, convenient for outer gas density test
It is normally carried out.
Judge whether have mode derived from gas that can rationally be adjusted according to actual needs in air slot 122,
Preferably, whether there can be bubble by the way that air slot 122 to be placed in water in observation water and judge whether to have gas in air slot 122
Body export.According to one embodiment of present invention, outer airtight test device 10 further includes connector 16, and connector 16 is located at air slot
In 122, connector 16 is equipped with gas-guide tube 17.Further, air slot 122 is connected with the front surface of briquetting 12.It is possible thereby to just
It is exported outward in by the gas in slot 121.
Specifically, as shown in figure 3, when carrying out outer gas density test, evaporator support 20 is installed to outer gas density test dress
It sets on 10, and outer airtight test device 10 is placed in sink 30, the water level in sink 30 will be raised to the upper of evaporator support 20
More than surface, and no more than the horizontal segment of connector 16, gas-guide tube 17 protrudes into water level or less.If there is bubble production at gas-guide tube 17
It is raw, illustrate 21 gas leakage of bracket head in the slot 121 being connected to the gas-guide tube 17；If there is no bubble generation at gas-guide tube 17,
The bracket head 21 in slot 121 that then explanation is connected to the gas-guide tube 17 is air tight.
The number of slot 121 on briquetting 12 can rationally be adjusted according to the number of the bracket head 21 of evaporator support 20
Section normally has multiple bracket heads 21 on evaporator support 20, optionally, according to one embodiment of present invention, briquetting 12
Multiple slots 121 arranged spaced apart in left-right direction are equipped with, each slot 121 is equipped with air slot 122 corresponding thereto.
Correspondingly, connector 16 and gas-guide tube 17 are equipped at each air slot 122.
Each slot 121 is equipped with an air slot 122, the i.e. corresponding gas-guide tube 17 of each bracket head 21 as a result, into
When row outer gas density test, there is gas export by observing the gas-guide tube 17 be connected with which slot 121, that is, can determine whether to insert positioned at this
Bracket head 21 in slot 121 is revealed, so as to accurately judge to be specifically which bracket head 21 is sent out on evaporator support 20
Raw leakage, test process is convenient and test process is more accurate.
The use process of outer airtight test device 10 according to an embodiment of the present invention is detailed below.
Firstly, bottom plate 14 is fixed in the platform part 111 of working base 11 by screw, then limit plate 15 is consolidated with screw
Determine onto interior airtight test device 10.Then briquetting 12 is placed on evaporator support 20, by the bracket head of evaporator support 20
21 are plugged on respectively in corresponding slot 121.
Then, the connector 16 with gas-guide tube 17 is screwed into the air slot 122 of briquetting 12, then fastener 13 is passed through into top
Plate 113 is mounted on top plate 113.Evaporator support 20 is put on bottom plate 14, by briquetting 12 and is propped up by tightening fastener parts 13
Frame head 21 compresses.
Finally, the outer airtight test device 10 equipped with evaporator support 20 is put into sink 30, evaporator support is opened
20 air inlet 22 and gas outlet 23, observe whether each gas-guide tube 17 nearby has bubble generation, to judge the evaporator branch
Whether the bracket head 21 of frame 20 is revealed.
If A sealing surface, B sealing surface, C sealing surface, D sealing surface in the bracket head 21 being plugged into each slot 121
It is poorly sealed, it will lead to gas and come out from the gas-guide tube 17 being connected with connector 16, so that bubble is generated in water, it is each to lead
Which gas-guide tube 17 nearby has bubble in tracheae 17, illustrates that there is leakage on which road；If the bracket head 21 with each 121 grafting of slot
In A sealing surface, B sealing surface, C sealing surface, D sealing surface sealing it is very tight, would not cause gas from gas-guide tube 17 come out, from
And bubble will not be generated in water, illustrate this 20 No leakage of evaporator support.
To sum up, outer airtight test device 10 according to an embodiment of the present invention is by judging whether have in air slot 122
Gas export can determine whether that the outer air-tightness for carrying out the evaporator support 20 of outer gas density test with the presence or absence of leakage problem, is compared
Traditional use flowmeter, the leakage triers such as instrument or pressure gauge are played, 10 structure of outer airtight test device of the structure is simple, surveys
Examination process facilitates feasible, and quickly and effectively, testing cost is low and test effect precision is high for test.
Other of evaporator support 20 according to an embodiment of the present invention are constituted and are operated for ordinary skill people
Member for be all it is known, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
What can be combined in any suitable manner in one or more embodiment or examples.In addition, those skilled in the art can say this
Different embodiments or examples described in bright book are engaged and are combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of outer airtight test device, for carrying out outer gas density test to evaporator support, the evaporator support has extremely
A few bracket head, which is characterized in that the outer airtight test device includes:
Working base, the working base are equipped with the platform part for placing the evaporator support；With
Briquetting, the briquetting are located above the platform part, and the lower surface of the briquetting is equipped with corresponding with the bracket head
Slot, the bracket head are plugged in the slot, and the briquetting is equipped with the air slot be connected with the slot.
2. outer airtight test device according to claim 1, which is characterized in that the working base further includes perpendicular to described
The side of the mounting plate of platform part setting, the briquetting abuts the mounting plate.
3. outer airtight test device according to claim 2, which is characterized in that the working base further includes top plate, described
Top plate is arranged perpendicular to the mounting plate and is located above the briquetting, and the outer airtight test device further includes fastener, institute
Fastener is stated across the top plate and is pressed down against the briquetting.
4. outer airtight test device according to claim 3, which is characterized in that the working base is integrally formed as section and is
The frame of C-shaped.
5. outer airtight test device according to claim 3, which is characterized in that the fastener is fastening bolt.
6. outer airtight test device according to claim 3, which is characterized in that further include: bottom plate, the bottom plate are located at institute
It states in platform part, the bottom plate is wearing plate.
7. outer airtight test device according to claim 3, which is characterized in that further include: limit plate, the limit plate are set
The installation site of the evaporator support is limited in one end of the working base.
8. outer airtight test device according to claim 3, which is characterized in that further include: connector, the connector are located at institute
It states in air slot, the connector is equipped with gas-guide tube.
9. outer airtight test device according to claim 8, which is characterized in that the preceding table of the air slot and the briquetting
Face conducting.
10. outer airtight test device according to claim 1 to 9, which is characterized in that the briquetting is equipped with
Multiple slots arranged spaced apart in left-right direction, each slot are equipped with air slot corresponding thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073316.3A CN104880281B (en) | 2014-02-28 | 2014-02-28 | Outer airtight test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073316.3A CN104880281B (en) | 2014-02-28 | 2014-02-28 | Outer airtight test device |
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| CN104880281A CN104880281A (en) | 2015-09-02 |
| CN104880281B true CN104880281B (en) | 2019-10-29 |
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| Publication number | Publication date |
|---|---|
| CN104880281A (en) | 2015-09-02 |
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